mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
|
|
/* Seek to OFFSET on FD, starting from WHENCE. */
|
|
off_t
|
|
__libc_lseek (int fd, off_t offset, int whence)
|
|
{
|
|
if (fd < 0)
|
|
{
|
|
__set_errno (EBADF);
|
|
return -1;
|
|
}
|
|
switch (whence)
|
|
{
|
|
case SEEK_SET:
|
|
case SEEK_CUR:
|
|
case SEEK_END:
|
|
break;
|
|
default:
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
__set_errno (ENOSYS);
|
|
return -1;
|
|
}
|
|
weak_alias (__libc_lseek, __lseek)
|
|
weak_alias (__libc_lseek, lseek)
|
|
stub_warning (lseek)
|
|
|
|
libc_hidden_def (__lseek)
|